<template>
  <div class="login_container">
    <div class="login_box">
      <div class="avatar_box">
        <img src="../../assets/logo.png" />
      </div>
      <el-form
        ref="loginFormRef"
        label-width="0px"
        class="login_form"
        :model="login_form"
        :rules="login_rules"
      >
        <el-form-item prop="username">
          <el-input
            prefix-icon="iconfont icon-user"
            v-model="login_form.username"
          ></el-input>
        </el-form-item>

        <el-form-item prop="password">
          <el-input
            prefix-icon="iconfont icon-password"
            v-model="login_form.password"
            type="password"
          ></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary" @click="handleLogin">提交</el-button>
          <el-button type="info" @click="handleResetForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>
<script>
export default {
  data () {
    return {
      login_form: {
        username: 'ithua',
        password: '123456'
      },
      login_rules: {
        username: [
          { required: true, message: '请输入登录用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '用户名长度在3到10个字符串之间', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入登录密码', trigger: 'blur' },
          { min: 6, max: 15, message: '密码长度在6到15个字符串之间', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    //重置表单
    handleResetForm () {
      this.$refs.loginFormRef.resetFields();
    },
    //处理登录
    handleLogin () {
      this.$refs.loginFormRef.validate(async valid => {
        if (!valid) return;
        const { data: result } = await this.$http.post("api/admin_user/login", this.login_form);
        if (result.errno !== 0) {
          return this.$message.error(result.errmsg)
        } else {
          //登录成之后的token 保存到客服端sessionStorage中
          window.sessionStorage.setItem('token', result.data.token)
          this.$router.push("/home");
          // return this.$message.success(result.errmsg)
        }
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background: #eee;
    }
  }
}

.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}

.btns {
  display: flex;
  justify-content: flex-end;
}
</style>
